106388825785 has 64 divisors (see below), whose sum is σ = 142689600000. Its totient is φ = 75505858560.

The previous prime is 106388825773. The next prime is 106388825789. The reversal of 106388825785 is 587528883601.

It is a de Polignac number, because none of the positive numbers 2^k-106388825785 is a prime.

It is a super-2 number, since 2×106388825785² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106388825789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145141279 + ... + 145142011.

It is an arithmetic number, because the mean of its divisors is an integer number (2229525000).

Almost surely, 2^106388825785 is an apocalyptic number.

It is an amenable number.

106388825785 is a deficient number, since it is larger than the sum of its proper divisors (36300774215).

106388825785 is a wasteful number, since it uses less digits than its factorization.

106388825785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 25804800, while the sum is 61.

The spelling of 106388825785 in words is "one hundred six billion, three hundred eighty-eight million, eight hundred twenty-five thousand, seven hundred eighty-five".